Unsynchronized Image - Samsung CF21M Service Manual

5 Troubleshooting

5-2-5 Unsynchronized Image

Compare input sync. of IC201
Pin 18 and 19 with output sync.
of IC201 20 and 21.
Are they all right?
Yes
Are H_Out and V_Out
of IC250 Pin 23 and 26 right?
Yes
Are H_FLYBACK of IC102 Pin 23
(19": IC101 Pin 27) right?
Yes
Check clamp pulse of IC102
Pin 22 (19": IC101 Pin 19)
replace IC201 and Q107.
Done.
5-16
No
Check and replace IC201.
No
Check and replace IC250.
No
Check CN102 Assy and Q103.
CF21M*